Patent US3057708A successfully refreshed from Google Patents.
US3057708A
Expired / Lapsed
US
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Method for the thermal processing of carbon-containing gas by direct heat exchange with another gas
Assignee: Individual
•
Filing: 1958-11-06
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Granted: 1962-10-09
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Expires: 1978-11-06
Abstract
No abstract record available.
Inventors
- 👤 Hilgers Giovanni
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:49
CPC Classifications
C; C10; C10J; C10J3/00; C10J3/46; C10J3/48; C10J3/485; C01; C01B; C01B3/00; C01B3/02; C01B3/22; C01B3/32; C01B3/34; C10G; C10G9/00; C10G9/34; C10G9/36; C10J3/50; C10J3/506; C10J2300/00; C10J2300/09; C10J2300/0913; C10J2300/093; C10J2300/0933
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
THE METHOD OF PRODUCING FUEL GAS BY GASIFYING A CARBON-CONTAINING FUEL SUBSTANCE, WHICH COMPRISES PASSING SEPARATELY AND COAXIALLY A HEATING GAS AND A CARRIER GAS THROUGH AN ANNULAR PROCESSING CHAMBER OF CIRCULAR CROSS SECTION SO AS TO TRANSFER HEAT FROM SAID HEATING GAS TO SAID CARRIER GAS, THE CARRIER GAS CONTAINING THE SUBSTANCE TO BE PROCESSED, INJECTING SAID TWO GASES SEPARATELY INTO SAID CHAMBER SO AS TO IMPART TO SAID TWO GASES RESPECTIVE ROTARY MOVEMENTS OF THE SAME DIRECTION AND SUBSTANTIALLY THE SAME ANGULAR VELOCITY AND FORMING THEREBY TWO ADJACENT, ANNULAR, COAXIAL, HELICAL STREAMS OF GAS HAVING DIFFERENT RADII AND WITHOUT ANY SUBSTANTIAL MIXING OF THE TWO GAS STREAMS, ONE STREAM BEING SUBSTANTIALLY WITHIN AND ADJACENT TO THE OTHER AND IN DIRECT HEAT EXCHANGING RELATION THERETO, WHEREBY SAID CARBON-CONTAINING SUBSTANCE IN SAID CARRIER GAS BECOMES THERMALLY CRACKED AND CONVERTED INTO A COMBUSTIBLE FUEL GAS, AND THEN SEPARATELY WITHDRAWING FROM SAID CHAMBER SAID COMBUSTIBLE FUEL GAS THUS FORMED AND SAID HEATING GAS.
Claim 2
Independent Claim
161 words
THE METHOD OF PRODUCING FUEL GAS BY GASIFYING A CARBON-CONTAINING FUEL SUBSTANCE, WHICH COMPRISES PASSING SEPARATELY AND COAXIALLY A HEATING GAS AND A CARRIER GAS THROUGH AN ANNULAR PROCESSING CHAMBER OF CIRCULAR CROSS SECTION SO AS TO TRANSFER HEAT FROM SAID HEATING GAS TO SAID CARRIER GAS, THE CARRIER GAS CONTAINING THE SUBSTANCE TO BE PROCESSED, INJECTING SAID TWO GASES SEPARATELY INTO SAID CHAMBER SO AS TO IMPART TO SAID TWO GASES RESPECTIVE ROTARY MOVEMENTS OF THE SAME DIRECTION AND SUBSTANTIALLY THE SAME ANGULAR VELOCITY AND FORMING THEREBY TWO ADJACENT, ANNULAR, COAXIAL, HELICAL STREAMS OF GAS HAVING DIFFERENT RADII AND WITHOUT ANY SUBSTANTIAL MIXING OF THE TWO GAS STREAMS, ONE STREAM BEING SUBSTANTIALLY WITHIN AND ADJACENT TO THE OTHER AND IN DIRECT HEAT EXCHANGING RELATION THERETO, WHEREBY SAID CARBON-CONTAINING SUBSTANCE IN SAID CARRIER GAS BECOMES THERMALLY CRACKED AND CONVERTED INTO A COMBUSTIBLE FUEL GAS, AND THEN SEPARATELY WITHDRAWING FROM SAID CHAMBER SAID COMBUSTIBLE FUEL GAS THUS FORMED AND SAID HEATING GAS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-08 | 1966-04-09 | 1966-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-08 | 1970-04-09 | 1970-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-08 | 1974-04-09 | 1974-10-09 | $7700.00 | Window Closed / Lapsed |